In 2021 Harper Collins published The Nature of Middle-earth by JRR Tolkien, edited by Carl F Hostetter - a fascinating collection of Tolkien's working materials. In this episode Julia Golding reviews the book, looking under the bonnet/hood of Tolkien's creativity. Is this worth reading if you are a Tolkien fan? Listen to find out. Particular highlights are the connection between free will and creativity, what to do with flaws of imperfections in your work, and Hostetter's appendix on Tolkien philosophical and religious themes. And finally, Julia picks the fantasy world with the best rivers. Where would yours be located?